Note 14 - Income Taxes - Changes in Valuation Allowance (Details)	12 Months Ended
Dec. 31, 2016 USD ($)
Valuation allowance at beginning of year	$ 0
Changes recorded to income tax provision	5,017,047
Changes recorded in purchase accounting	(11,159,347)
Valuation allowance at end of year	$ 16,176,394

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319

Name:	us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant